Tester Reviewed By S'Qty
Samply No.2pcs 1
Judgement Standard LCD ringer vibration backlight camera on/off call Voltage Val+0.1V
Val
Val-0.1V
3.3V
V=4.25V
All the test should be OK
Test result
Check below items before test:
Power supply voltage fluctuation
evaluation test
Report No.Test method (1) Connect the DC stabilized power supply to the battery terminals and set the voltage to the value of the low voltage alarm voltage+ 0.1V.(2) Verify that there is no problem with the following operations:[1] Power on [2] Making and receiving phone calls [3] Phone calls status (strange sound or noise)[4] Vibration [5] Ringer [6] LCD display [7] Backlight [8] Camera (3) Reduce the power supply voltage down to the low voltage alarm voltage value during a phone call.(4) Verify that there is no problem with the following operations.[1] The low voltage alarm should sound.[2] The alarm should continue for the specified duration, and the phone call should be terminated.(5) Reduce the power supply voltage down to the low voltage alarm voltage value while the
HHP is in a
standby mode.
(6) Verify that the low voltage alarm should sound.
(7) Set the power supply voltage to the low voltage alarm voltage value and power the HHP on. The low voltage alarm should sound.
(8) Set the power supply voltage to the maximum guaranteed voltage value.
(9) Verify that there is no problem with the following operations.
[1] Making and receiving phone calls
[2] Phone calls status (strange sound or noise)
[3] LCD display
[4] Camera
(10) Verify that there is no smoke or fire.
Test Equipment Phone
DC supply Test Purpose
Verify that if the phone has any question when the battery voltage changed from low battery voltage to max battery voltage .
Return。